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> Unreal Engine API Reference > Runtime > Engine > Engine > EAlphaChannelMode::Type

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EAlphaChannelMode::Type

Enumerates available options for alpha channel through post processing.

Windows

MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Engine/RendererSettings.h
Include	#include "Engine/RendererSettings.h"

Syntax

namespace EAlphaChannelMode
{
    enum Type
    {
        Disabled                  = 0,
        LinearColorSpaceOnly      = 1,
        AllowThroughTonemapper    = 2,
    }
}

Values

Name	Description
Disabled	Disabled, reducing GPU cost to the minimum. (default).
LinearColorSpaceOnly	Maintain alpha channel only within linear color space. Tonemapper won't output alpha channel.
AllowThroughTonemapper	Maintain alpha channel within linear color space, but also pass it through the tonemapper.

Remarks

Enumerates available options for alpha channel through post processing. The renderer will always generate premultiplied RGBA with alpha as translucency (0 = fully opaque; 1 = fully translucent).

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